BUG: memory leak
unreferenced object 0xffff888020021000 (size 144):
  comm "syz-executor.7", pid 19211, jiffies 4297327168 (age 20.555s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 dc c7 54 66 00 00 00 00  ..........Tf....
    0b 80 38 07 00 00 00 00 dc c7 54 66 00 00 00 00  ..8.......Tf....
  backtrace:
    [<00000000e5bb4e25>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000e5bb4e25>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000f9a50478>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000f9a50478>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000058d9559a>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<0000000038fd7d2f>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000c2a135f0>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<00000000e555872d>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<0000000007dd0379>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000574bb1b8>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000574bb1b8>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000574bb1b8>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<00000000b3b2b5c8>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<0000000028f7d097>] vfs_mkdir+0x493/0x700 fs/namei.c:3706
    [<000000009daabe2e>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<00000000f6d054bf>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000dd2d24d6>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed